Melting and Freezing of Water
Students examine the three states of matter. They identify the segments of heating and cooling curves. Students analyze data and create a graph to determine the freezing and melting temperature of water.
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New Review Introducing Measurements in the Laboratory
We use basic units of measurement to break down things and communicate clearly. The first lesson in an 11-part series teaches the proper way to measure various items. It starts simply with measuring the dimensions and areas of geometric...
9th - Higher Ed Science CCSS: Adaptable
New Review Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions about...
9th - 12th Science CCSS: Adaptable
Boiling Point Elevation and Freezing Point Supression
Have you ever wondered why cities in cold climates put salt on the roads to help keep ice from forming? In this chemistry video, Sal explains why the introduction of salt molecules suppresses, or delays, the formation of ice crystals...
14 mins 7th - 10th Science
New Review The Water Cycle for Schools: Advanced Ages
Explore the water cycle in an interactive diagram of the process. The diagram shows how water is a moving system and constantly changing forms. The resourc includes vocabulary words that pupils click on in order to discover more about...
6th - 12th Science CCSS: Adaptable